Accumulated Other Comprehensive Income (Tables)  | 
9 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Jul. 31, 2017  | ||||||||||||||||||||||||||||||||||||||||||||||
| Equity [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Accumulated Other Comprehensive Income | 
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- References No definition available. 
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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